The Kansas Department of Health and Environment said the north central, south central, northwest and southwest regions of the state are under a high-risk warning for the virus.
Health officials in Westchester County say mosquitoes in the area have tested positive for West Nile virus.
Most people don't develop any symptoms, but those who do may have fever, headache, vomiting and diarrhea. About one out of 150 infected people develop swelling of the brain or brain tissue, that in some cases, can result in death.
There are no vaccines or medications to treat WNV.
Last week, officials said mosquitoes in Bethany, Franklin, Greenwich, Madison, New Haven, Waterford, West Haven, and Weston tested positive for West Nile virus.
Visit the KDHE WNV website weekly to learn about the current WNV risk level.
Apply insect repellents that contain the active ingredient DEET, or other EPA-approved products to exposed skin or clothing, and always following the manufacturer's directions for use.
Wear shoes, socks, long trousers, and a long-sleeved shirt when outdoors for long periods, or when mosquitoes are most active. Be sure to use insect repellent and wear long sleeves and trousers at these times or consider staying indoors during these hours.
Make sure you have good screens on your windows and doors to keep mosquitoes out. "Removing standing water from your property is also a great way to reduce the number of places mosquitoes can breed".
Empty water from mosquito breeding sites around the home, such as buckets, unused kiddie pools, old tires or similar sites where mosquitoes lay eggs.
As of July 24, 39 cases have been reported across the U.S.
There have been no reported cases of anyone in Hartford having West Nile virus at this time.